21040554

素因数分解:

$2^1\times 3^1\times {\mathrm{479}}^1\times {\mathrm{7321}}^1$

素因数の和:7805

約数の個数: 16

約数和(自身を含む): 42174720

約数和(自身を除く): 21134166

約数列:

[1, 2, 3, 6, 479, 958, 1437, 2874, 7321, 14642, 21963, 43926, 3506759, 7013518, 10520277, 21040554]

約数ペア:

[(1, 21040554), (2, 10520277), (3, 7013518), (6, 3506759), (479, 43926), (958, 21963), (1437, 14642), (2874, 7321)]